213368120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{883}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 549918720

約数和(自身を除く): 336550600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 863, 883, 1726, 1766, 3452, 3532, 4315, 4415, 6041, 6181, 6904, 7064, 8630, 8830, 12082, 12362, 17260, 17660, 24164, 24724, 30205, 30905, 34520, 35320, 48328, 49448, 60410, 61810, 120820, 123620, 241640, 247240, 762029, 1524058, 3048116, 3810145, 5334203, 6096232, 7620290, 10668406, 15240580, 21336812, 26671015, 30481160, 42673624, 53342030, 106684060, 213368120]

約数ペア:

[(1, 213368120), (2, 106684060), (4, 53342030), (5, 42673624), (7, 30481160), (8, 26671015), (10, 21336812), (14, 15240580), (20, 10668406), (28, 7620290), (35, 6096232), (40, 5334203), (56, 3810145), (70, 3048116), (140, 1524058), (280, 762029), (863, 247240), (883, 241640), (1726, 123620), (1766, 120820), (3452, 61810), (3532, 60410), (4315, 49448), (4415, 48328), (6041, 35320), (6181, 34520), (6904, 30905), (7064, 30205), (8630, 24724), (8830, 24164), (12082, 17660), (12362, 17260)]